Twin Springs Xiamen Shuangyuan Springs Co., Ltd( Spring Division) Base Info Model NO.:SYT600Function:PressedMaterial:SteelUsage:Industrial, Auto, Furniture, Motorcycle, Home ApplianceLoad Type:CompressionShape:SpiralTrademark:shuangyuanOrigin:Xiamen, China Description Pre:48131-1K740 Ae100 F/R Motor Spring Next:OEM Various Material Custom or Traditional High Quality Torsion Springs